[R] How to get the duplicated elements from a vector?
yee.leon at gmail.com
Wed Oct 29 15:19:54 CET 2008
Gustaf Rydevik wrote:
> Hi Leon,
> should work, depending on what you want.
Thank you all. Actually, I have a data frame or matrix, whose first
column is numerical values, and whose 2nd column is names. I need those
whose names repeated 3 times and get the mean of the 3 values for each
It sounds that I need some programming work.
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